Add migration for network bindings in NVP plugin

Bug 1099895

Ensures the table nvp_network_bindings is created when upgrading
database to head, by adding an appropriate alembic migration

Change-Id: I4a794ed0ec6866d657cb2470d5aa67828e81aa75

diff --git a/quantum/db/migration/alembic_migrations/versions/1d76643bcec4_nvp_netbinding.py b/quantum/db/migration/alembic_migrations/versions/1d76643bcec4_nvp_netbinding.py
new file mode 100644 (file)
index 0000000..8aa571e
--- /dev/null
+++ b/quantum/db/migration/alembic_migrations/versions/1d76643bcec4_nvp_netbinding.py
@@ -0,0 +1,63 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+#
+# Copyright 2013 OpenStack LLC
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+#
+
+"""nvp_netbinding
+
+Revision ID: 1d76643bcec4
+Revises: 48b6f43f7471
+Create Date: 2013-01-15 07:36:10.024346
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '1d76643bcec4'
+down_revision = '48b6f43f7471'
+
+# Change to ['*'] if this migration applies to all plugins
+
+migration_for_plugins = [
+    'quantum.plugins.nicira.nicira_nvp_plugin.QuantumPlugin.NvpPluginV2'
+]
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import mysql
+
+from quantum.db import migration
+
+
+def upgrade(active_plugin=None, options=None):
+    if not migration.should_run(active_plugin, migration_for_plugins):
+        return
+
+    op.create_table(
+        'nvp_network_bindings',
+        sa.Column('network_id', sa.String(length=36), nullable=False),
+        sa.Column('binding_type', sa.Enum('flat', 'vlan', 'stt', 'gre'),
+                  nullable=False),
+        sa.Column('tz_uuid', sa.String(length=36), nullable=True),
+        sa.Column('vlan_id', sa.Integer(), nullable=True),
+        sa.ForeignKeyConstraint(['network_id'], ['networks.id'],
+                                ondelete='CASCADE'),
+        sa.PrimaryKeyConstraint('network_id'))
+
+
+def downgrade(active_plugin=None, options=None):
+    if not migration.should_run(active_plugin, migration_for_plugins):
+        return
+
+    op.drop_table('nvp_network_bindings')